# Relationship history for MSHA mine 4502644

Current hierarchy: **O'Brien George → George O'Brien → Seattle Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Wallace Diamond Mining Inc → Seattle Mine; 1983-03-01 to 1984-01-24; source msha-controller-operator-history
- **controller_controls_mine:** Fausett Lovon → Seattle Mine; 1983-03-01 to 1984-01-24; source msha-controller-operator-history
- **controller_controls_operator:** Fausett Lovon → Wallace Diamond Mining Inc; 1983-03-01 to 1984-01-24; source msha-controller-operator-history
- **controller_controls_mine:** James  Striker → Seattle Mine; 1983-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C S C Mining Company → Seattle Mine; 1984-01-25 to 1988-07-19; source msha-controller-operator-history
- **controller_controls_operator:** James  Striker → C S C Mining Company; 1984-01-25 to 1988-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Crown Resource Corp → Seattle Mine; 1988-07-20 to 1994-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Crown Resource Corp & Sutton Resources → Seattle Mine; 1988-07-20 to 1994-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Crown Resource Corp & Sutton Resources → Crown Resource Corp; 1988-07-20 to 1994-04-20; source msha-controller-operator-history
- **operator_operates_mine:** George O'Brien → Seattle Mine; 1994-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** O'Brien George → Seattle Mine; 1994-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** O'Brien George → George O'Brien; 1994-04-21 to current/open; source msha-controller-operator-history